The Spanish form of
Lucifer is simply
Lucifer (directly from the Latin
Lucifer); Lucifero is the Italian one (coming from the Latin form
Luciferus).
The form
Anicifer is unknown and it doesn't appear (as
Anicifer or as
Aniciferus) in any of the onomastics books.
All the results of Google for
Anicifer (43) are related with Russian language, and not a single one with Italian/Spanish/Latin language.
Lumia
http://onomastica.mailcatala.com